Seiko Cal. 5241 - 509

The Seiko 5241-509 represents an important milestone in Seiko's 1967 lineup. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-b130c0030b72]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1967

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